Table 3 24-h urinary heavy metal levels in all patients during chelation therapy.

From: Heavy metal poisoning caused by Chinese folk remedies in psoriasis patients: a retrospective analysis

Treatment courses

Mercury poisoning

Lead poisoning

Arsenic poisoning

Cases

Urinary mercury (μg/day)

Cases

Urinary lead (mg/L)

Cases

Urinary arsenic (mg/L)

1

48

139.4–8686.9

19

0.357–4.545

23

0. 278–5.981

2

37

77.2–2962.5

18

0.333–3.668

16

0.222–1.554

3

18

66.7–828.1

11

0.199–1.786

8

0.173–0.827

4

11

52.8–336.4

9

0.174–1.525

3

0.166–0.545

5

5

47.3–201.5

6

0.172–1.228

1

0.107–0.224

6

2

50.2–164.7

3

0.993–1.004

1

0.062–0.102

7

1

16.3–38.9

2

0.726–0.995

  

8

  

2

0.483–0.801

  

9

  

1

0.206–0.387

  

10

  

1

0.084–0.229

  

11

  

1

0.023–0.068

  
  1. The normal value of urinary mercury in treatment: < 45.0 μg/day.